Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Tremasteridae

Asteroidea - Tremasteridae

Taxonomy
Tremasterinae was named by Sladen (1889). It is extant. It was considered monophyletic by Gale (2018).

It was reranked as the family Tremasteridae by Gale (2018).

It was assigned to Asterinidae by Sladen (1889), Hess (1972) and Smith and Tranter (1985); and to Chevronida by Gale (2018).

Subtaxa

Synonymy list
YearName and author
1889Tremasterinae Sladen p. 34
1972Tremasterinae Hess p. 22
1985Tremasterinae Smith and Tranter p. 352
2018Tremasteridae Gale p. 293

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderSurculifera
Spinulosida()
Chevronida
familyTremasteridae()
familyTremasteridae()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. Tremasteridae Sladen 1889
show all | hide all
G. †Mesotremaster Hess 1972
hide
Mesotremaster felli Hess 1972
Mesotremaster mazetieri Mercier 1935
Diagnosis
ReferenceDiagnosis
A.S. Gale 2018Abactinally domed Chevronida in which the adambulacrals are broad and short and the large actinal interareas are constructed of numerous rows of small actinal ossicles, each running from the adradial margin of the adambulacral to the margin.
Measurements
No measurements are available
Composition: high Mg calciteo
Ontogeny: accretion, addition of partsp
Grouping: solitaryo
Environment: coastal, inner shelf, outer shelf, marineo
Locomotion: actively mobileo
Life habit: epifaunalo
Diet: carnivoreo
Diet 2: suspension feedero
Vision: limitedc
Dispersal: watero
Dispersal 2: planktonico
Created: 2007-10-02 03:15:13
Modified: 2009-09-07 02:46:48
Source: o = order, c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004, Blake 1990

Age range: base of the Late/Upper Bajocian to the top of the Late/Upper Bathonian or 171.60000 to 164.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Bajocian171.6 - 167.7Switzerland Mesotremaster felli (32036)
Late/Upper Bathonian167.7 - 164.7France Stauraster mazetieri (72284)